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PSS 021 Exam 1 Questions & Answers 2024/2025 $7.99   Add to cart

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PSS 021 Exam 1 Questions & Answers 2024/2025

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PSS 021 Exam 1 Questions & Answers 2024/2025 Ecologists - ANSWERSlook to understand and explain processes that determine the distribution, diversity and abundance of organisms Evolutionary Ecologists - ANSWERSlook to understand and explain the processes that determine the distribution, ...

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  • August 13, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PSS 021
  • PSS 021
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PSS 021 Exam 1 Questions & Answers
2024/2025

Ecologists - ANSWERSlook to understand and explain

processes that determine the distribution,

diversity and abundance of organisms



Evolutionary Ecologists - ANSWERSlook to understand and

explain the processes that determine the

distribution, diversity and abundance of

organisms



Proximate vs Ultimate - ANSWERSEcologists - look for proximate answers for the

diversity, distribution and abundance of

organisms

Evolutionary Ecologists - look for ultimate

answers for the diversity, distribution and

abundance of organisms



Niche - ANSWERSThe role or function of an organism or species in an

ecosystem and/or The interrelationship of a species with all the biotic and abiotic factors affecting it.



Humans as niche constructors - ANSWERSLandscape manipulation

Selection of particular genotypes

Domestication

Genetic Engineering

, Agriculture - ANSWERSThe science or practice of farming, including cultivation of the soil for the growing
of crops and the rearing of animals to provide food



Ecological Agriculture - ANSWERSUsing ecological knowledge to inform the

agricultural system with the intent to establish

more sustainable ways of farming.



Sustainable Agriculture - ANSWERSagriculture that is socially just, humane,

economically viable and environmentally

sound.



Garret Hardin - ANSWERS"The Tragedy of the Commons"

Environmental degradation, population growth, limited natural resources, privatization of the land



What does commons mean? - ANSWERSthe resource is owned by; no one or owned by a group



What are common resources? - ANSWERSGlobal Commons

1.air

2.water

3.fish of the sea avail

Regional Commons

1.soil

2.water



Tragedy of the Commons - ANSWERSEvery animal added to the total degrades the commons a small
amount

the commons were overgrazed and degenerated to the point that they were no longer able to support
the villagers' cattle.

This failure of owner of these private lands to preserve the natural resources is known as "the tragedy of
the commons

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